Table of Contents
Advertisement
4-wire Switched 56
V.34 and 1B+D ISDN
61200208L1-1
Table A-6. DBU Card Pin Assignments
Pin
Name
1
R1
Transmit Data from DSU to Network-Ring 1
2
T1
Transmit Data from DSU to Network-Tip 1
3-6
-
Not Used
7
T
Receive Data from Network to DSU-Tip
8
R
Receive Data from Network to DSU-Ring
1-3
-
Not Used
4
T
Network-Tip
5
R
Network-Ring
6 - 8
-
Not Used
Table A-7. Voice Card Connector Pin Assignments
Express 5210 User Manual
Appendix A. Pinouts
Description
RJ Pin #
Function
Dual FXS Card
4
Ring
5
Tip
Dual FXO Card
4
Ring
5
Tip
Dual E&M Card
1
Ring
2
Tip
3
E Lead
4
Frame Gnd
5
-48 Volts
6
M Lead
7
Tip 1
8
Ring 1
A-5
Advertisement
Table of Contents
